Vitamin D plays an important part in the absorption of calcium by the body.
Where is vitamin D activated into a form that promotes calcium absorption?
Small intestine.
Vitamin D is not activated into another form.
Kidneys.
Large intestine.
The Correct Answer is C
Choice A rationale
The small intestine is where nutrients are absorbed, but it is not where vitamin D is activated. Vitamin D is first converted in the liver and then activated in the kidneys to promote calcium absorption.
Choice B rationale
This is incorrect because vitamin D is activated into a form that promotes calcium absorption. The active form is crucial for maintaining calcium and phosphate levels in the blood.
Choice C rationale
The kidneys play a significant role in converting vitamin D to its active form, calcitriol. This activated form is essential for the absorption of calcium in the intestines.
Choice D rationale
The large intestine is involved in water absorption and waste formation but not in the activation of vitamin D. The activation process primarily occurs in the kidneys and liver. .
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
While maintaining patient confidentiality is crucial, it does not address the immediate medical needs of the patient with chronic renal failure. The primary concern should be addressing the health implications of their condition and ensuring proper care coordination.
Choice B rationale
Administering medications ordered immediately is essential, but it is not the first priority without knowing the patient's current status and medical history. The nurse needs to ensure that the medications prescribed are appropriate for a patient with chronic renal failure.
Choice C rationale
Providing teaching about chronic renal failure is important for long-term management but is not the first priority upon admission. Immediate medical needs and communication with the care team take precedence in this acute care setting.
Choice D rationale
Calling the admitting physician immediately is the first priority. The primary care provider needs to be aware of the patient's diagnosis of chronic renal failure to adjust treatment plans accordingly. Immediate communication ensures that all healthcare professionals are on the same page regarding the patient's care. .
Correct Answer is D
Explanation
Choice A rationale
Anticonvulsant medications are not taken on an as-needed basis. They require consistent dosing to maintain therapeutic levels and prevent seizure activity effectively.
Choice B rationale
The goal of anticonvulsant therapy is not just temporary seizure control but long-term management. Medications are continued even after achieving seizure-free status to prevent recurrence.
Choice C rationale
While some patients might achieve control within a few years, there is no standard duration for stopping anticonvulsants. Treatment duration varies based on individual response and risk of recurrence.
Choice D rationale
Anticonvulsant medications are typically taken for a lifetime to manage epilepsy. Long-term therapy is crucial for maintaining seizure control and preventing breakthrough seizures.
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